Alert archive / Pennsylvania / Special Weather Statements in 2021

Special Weather Statement, NWS State College, PA

July 6, 2021Tioga County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 6, 2021, 1:26 PM EDT for Tioga County, Pennsylvania. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2021, 1:26 PM EDT (17:26 UTC)
Expired
Jul 6, 2021, 2:00 PM EDT
In force
34 min
Issued by
NWS State College, PA

County Tioga County, PA

The radar

The State College radar (KCCX), 93 km from the middle of the area, began a volume at 17:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.4 hours before the alert went out and 169 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2021-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 997 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
997 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this special weather statement went out at Jul 6, 1:12 PM EDT, 14 minutes earlier.

Area forecast discussion, Jul 6, 1:12 PM EDT, 14 minutes before
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Hazardous weather outlook, Jul 6, 5:50 AM EDT, 7 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service State College PA
550 AM EDT Tue Jul 6 2021

PAZ004-005-010-017-024>026-033>035-071000-
Warren-McKean-Elk-Clearfield-Cambria-Blair-Huntingdon-Somerset-
Bedford-Fulton-
550 AM EDT Tue Jul 6 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Locally heavy rainfall and isolated flooding are possible Wednesday
into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ057-059-066-071000-
Dauphin-Lebanon-Lancaster-
550 AM EDT Tue Jul 6 2021

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Heat Advisory.

Strong to locally severe thunderstorms with gusty winds and heavy
downpours are possible late this afternoon into early tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The heat index will approach 100 degrees Wednesday afternoon.

Locally heavy rainfall and isolated flooding are possible Wednesday
into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ011-012-018-019-027-028-045-071000-
Cameron-Northern Clinton-Northern Centre-Southern Centre-Mifflin-
Juniata-Southern Clinton-
550 AM EDT Tue Jul 6 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Isolated strong to severe storms are possible Wednesday afternoon.

Locally heavy rainfall and isolated flooding are possible Wednesday
into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

PAZ006-037-041-042-046-049>053-058-071000-
Potter-Tioga-Northern Lycoming-Sullivan-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Schuylkill-
550 AM EDT Tue Jul 6 2021

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Strong to locally severe thunderstorms with gusty winds and heavy
downpours are possible this afternoon into the early evening.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Isolated strong to severe storms are possible Wednesday afternoon.

Locally heavy rainfall and isolated flooding are possible Wednesday
into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ036-056-063>065-071000-
Franklin-Perry-Cumberland-Adams-York-
550 AM EDT Tue Jul 6 2021

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 6 PM EDT THIS
EVENING...

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

Please listen to NOAA Weather Radio or go to
weather.gov/StateCollege on the internet for more
information about the following hazards.

   Heat Advisory.

Locally heavy rainfall and isolated flooding are possible late this
afternoon into early tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

The heat index will approach 100 degrees Wednesday afternoon.

Locally heavy rainfall and isolated flooding are possible Wednesday
into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MRS

In the hours before

Special weather statement, Jul 6, 11:38 AM EDT, 1 hour 48 minutes before
Special Weather Statement
National Weather Service State College PA
1138 AM EDT Tue Jul 6 2021

PAZ004-005-061630-
McKean PA-Warren PA-
1138 AM EDT Tue Jul 6 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF MCKEAN AND WARREN
COUNTIES UNTIL 1230 PM EDT...

At 1138 AM EDT, Doppler radar indicated a strong thunderstorm near
Warren South, moving east at 25 mph.

Pea size hail and wind gusts of 50 to 55 mph are possible.

Locations impacted include...
Warren, Kane, Youngsville, Wetmore, Russell, Scandia, Ludlow,
Marshburg, Westline, Warren South, Kinzua Dam, Chapman State Park,
Starbrick and Clarendon.

LAT...LON 4180 7935 4196 7932 4199 7874 4166 7877
TIME...MOT...LOC 1538Z 270DEG 24KT 4187 7922

Travis
Special weather statement, Jul 6, 11:59 AM EDT, 1 hour 27 minutes before
Special Weather Statement
National Weather Service State College PA
1159 AM EDT Tue Jul 6 2021

PAZ005-061645-
McKean PA-
1159 AM EDT Tue Jul 6 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF MCKEAN COUNTY UNTIL
1245 PM EDT...

At 1159 AM EDT, Doppler radar indicated a strong thunderstorm near
Allegany State Park, moving east at 40 mph.

Pea size hail and wind gusts of 50 to 55 mph are possible.

Locations impacted include...
Bradford, Allegany State Park, Port Allegany, Shinglehouse, Rew,
Coryville, Eldred, Lewis Run, Ceres and University Of Pittsburgh -
Bradford.

LAT...LON 4200 7820 4178 7821 4190 7892 4200 7892
TIME...MOT...LOC 1559Z 270DEG 33KT 4200 7885

Travis
Special weather statement, Jul 6, 12:45 PM EDT, 41 minutes before
Special Weather Statement
National Weather Service State College PA
1245 PM EDT Tue Jul 6 2021

PAZ005-006-061730-
McKean PA-Potter PA-
1245 PM EDT Tue Jul 6 2021

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF MCKEAN AND POTTER
COUNTIES UNTIL 130 PM EDT...

At 1245 PM EDT, Doppler radar indicated a strong thunderstorm over
Coryville, moving east at 35 mph.

Pea size hail and wind gusts of 50 to 55 mph are possible.

Locations impacted include...
Coudersport, Port Allegany, Shinglehouse, Genesee, Denton Hill State
Park, Coryville, Eldred, Ulysses, Sweden Valley, Oswayo, Ceres and
Ski Denton Ski Area.

LAT...LON 4200 7774 4174 7782 4183 7847 4200 7845
TIME...MOT...LOC 1645Z 275DEG 29KT 4192 7836

Travis
Special weather statement, Jul 6, 1:26 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service State College PA
126 PM EDT Tue Jul 6 2021

PAZ006-037-041-061800-
Potter PA-Northern Lycoming PA-Tioga PA-
126 PM EDT Tue Jul 6 2021

...STRONG THUNDERSTORMS WILL AFFECT PARTS OF POTTER...NORTHERN
LYCOMING...AND TIOGA COUNTIES UNTIL 200 PM EDT...

At 126 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from near Whitesville to near Cherry Springs State
Park. Movement was east at 40 mph.

Pea size hail and wind gusts of 50 to 55 mph are possible.

Locations impacted include...
Wellsboro, Morris, Elkland, Galeton, Westfield, Gaines, Keeneyville,
Leetonia, Harrison Valley, Cherry Springs State Park, Leonard
Harrison State Park, Denton Hill State Park, Cedar Run, Ole Bull
State Park, Slate Run, Lyman Run State Park, Knoxville, Ulysses,
Osceola and Ski Denton Ski Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4144 7734 4154 7795 4200 7782 4200 7719
TIME...MOT...LOC 1726Z 277DEG 35KT 4197 7774 4160 7783

Dangelo

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 11:38 AM EDTSpecial Weather StatementCTPWarren52 min
Jul 6, 11:59 AM EDTSpecial Weather StatementCTPMcKean46 min
Jul 6, 12:45 PM EDTSpecial Weather StatementCTPPotter45 min
Jul 6, 1:51 PM EDTSpecial Weather StatementCTPWarren24 min
Jul 6, 2:21 PM EDTSpecial Weather StatementCTPMcKean, Warren54 min
Jul 6, 2:49 PM EDTSevere Thunderstorm WarningCTPMcKean, Warren56 min
Jul 6, 3:01 PM EDTSpecial Weather StatementCTPSullivan44 min
Jul 6, 3:17 PM EDTSpecial Weather StatementCTPSullivan43 min
Jul 6, 3:22 PM EDTSevere Thunderstorm WarningCTPSullivan23 min
Jul 6, 3:36 PM EDTSevere Thunderstorm WarningCTPColumbia, Sullivan24 min
Jul 6, 3:57 PM EDTSpecial Weather StatementCTPDauphin33 min
Jul 6, 4:05 PM EDTSevere Thunderstorm WarningCTPDauphin, Lebanon40 min
Jul 6, 4:31 PM EDTSpecial Weather StatementCTPElk29 min
Jul 6, 4:41 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon33 min
Jul 6, 4:48 PM EDTSpecial Weather StatementCTPSchuylkill27 min
Jul 6, 6:52 PM EDTSpecial Weather StatementCTPMcKean23 min
Jul 6, 6:59 PM EDTHeat AdvisoryCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more24 hr

Nearby

Special Weather Statements in Pennsylvania, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.